Literary usage of Rainfly

Below you will find example usage of this term as found in modern and/or classical literature:

1.Inside Passage & Coastal Alaska by Lynn Readicker-Henderson (2006)"You will want a rainfly, though, just to be sure, although the aerodynamics of
the ships keep things from getting too bad. If you want to sleep outside in a ..."

2.Adventure Guide to the Inside Passage and Coastal Alaska by Lynn Readicker-Henderson (2002)"You will want a rainfly, though, just to be sure, although the aerodynamics of
the ships keep things from getting too bad. If you want to sleep outside in a ..."

3.Adventure Guide to Maui by Sharon Hamblin (2005)"... at Holua and Paliku and are only for the serious campers - you must be prepared
for cold, wet weather and have a durable free-standing tent and rainfly. ..."